Assembled foam aluminum bridge anti-collision energy-absorbing device
By using an assembled foamed aluminum bridge anti-collision energy absorption device, which utilizes a multi-layer structure for buffering and energy absorption, the problem of damage to traditional bridge anti-collision devices during large impacts is solved, achieving the effect of effectively protecting bridges and reducing vehicle damage.
Patent Information
- Application Number
- CN202520494557.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-20
- Publication Date
- 2026-02-13
- Estimated Expiration
- 2035-03-20
AI Technical Summary
Existing bridge collision avoidance devices struggle to balance protective effectiveness and cost-effectiveness. Traditional devices are prone to damaging vehicles and bridges in large collisions, and are also costly or require a large area.
Design an assembled foamed aluminum bridge anti-collision energy absorption device, including an outer aluminum plate, a rubber interlayer and a foamed aluminum layer. The multi-layer structure combining the rubber interlayer and springs improves the anti-collision performance by buffering, absorbing and dispersing energy.
It effectively protects the bridge structure, reduces damage to vehicles and ships, improves collision resistance, reduces costs, and does not occupy a lot of space.
Smart Images
Figure CN223907405U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to bridge anti -collision energy -absorbing device technical field especially relates to an assembled foam aluminum bridge anti -collision energy -absorbing device. BACKGROUND
[0002] The pier of bridge as the key part of supporting bridge, often in the busy traffic line, in the occasional accident, extremely vulnerable to the violent collision of vehicle, ship.
[0003] This kind of collision once occurs, not only can cause serious damage to the main structure of bridge, endanger the service life and safety of bridge, also can form the great threat to the life safety of the vehicles, ships and the personnel of carrying, therefore, setting up effective anti -collision device in the pier part, has become the urgent matter of safeguarding the safe operation of bridge, protecting the life and property safety of personnel.
[0004] At present, the traditional bridge anti -collision device mainly is divided into the protective plate type, the group pile type, the cable pile type, the artificial island or the reef type and the floating type according to the protection form.The protective plate type and the group pile type anti -collision device, relatively simple in arrangement, the cost is lower, to a certain extent, can play the protection effect to the pier.But their protection effect has obvious limitation, when being subjected to the larger impact, vehicle or ship often suffers the serious damage, and the bridge structure is also inevitably subjected to the damage of different degrees.The artificial island or the reef type anti -collision device, although shows the better effect in the protection bridge, can effectively disperse the impact force, reduce the damage to bridge.
[0005] However, this kind of device occupies the vast area, needs to spend a large amount of time and funds in the construction process, and the hard absorption kinetic energy mode that it adopts often leads to the serious damage of ship after the impact, brings the huge economic loss to the ship owner.How to research and develop a kind of new type, has the excellent energy -absorbing anti -collision effect bridge anti -collision device, becomes the difficult problem of current bridge construction and maintenance field to be solved. CONTENT OF UTILITY MODEL
[0006] Therefore, the utility model wants to solve the technical problem of providing an assembled foam aluminum bridge anti -collision energy -absorbing device to effectively improve the anti -collision performance of bridge.
[0007] To realize the above-mentioned purpose, the utility model provides an assembled foam aluminum bridge anti -collision energy -absorbing device, it includes outer aluminum plate, first rubber interlayer, connecting ring, first foam aluminum layer, second rubber interlayer, second foam aluminum layer, mounting pad and spring;
[0008] The outer aluminum plate surrounds and forms the energy -absorbing cavity, the first rubber interlayer is arranged on the opposite inner wall in the energy -absorbing cavity along the width direction respectively, and the two first rubber interlayers are oppositely arranged.
[0009] Two first foam aluminum layers are respectively connected to the first rubber interlayer, and the second foam aluminum layer is arranged between the two first foam aluminum layers;
[0010] The second rubber interlayer and the spring are arranged in the gap between the second foam aluminum layer and the first foam aluminum layer, the mounting pad is arranged on the opposite wall surface of the first foam aluminum layer and the second foam aluminum layer, respectively, the two ends of the spring are respectively connected to the mounting pad, and a plurality of springs are arranged in the height direction of the first foam aluminum layer.
[0011] The second rubber interlayer is arranged around the spring, one side of the second rubber interlayer is attached to the first foam aluminum layer, the other side of the second rubber interlayer is attached to the second foam aluminum layer, and the top side or the bottom side of the second rubber interlayer is attached to the inner wall of the outer aluminum plate.
[0012] Further, the compression direction of the spring is the same as the interval arrangement direction of the first foam aluminum layer and the second foam aluminum layer.
[0013] Further, the thickness of the first foam aluminum layer ranges from 15mm to 30mm, and the thickness of the second foam aluminum layer ranges from 30mm to 45mm.
[0014] Further, the connecting ring is arranged at the corner end of the outer aluminum plate.
[0015] Further, the first foam aluminum layer and the second foam aluminum layer are arranged in parallel.
[0016] Compared with the related art, the assembled foam aluminum bridge anti-collision energy absorption device has the beneficial effects that: the outer aluminum plate surrounds to form an energy absorption cavity, and the solid characteristics can preliminarily block the impact, and provide protection for the internal energy absorption structure. The first rubber interlayer is arranged on the inner wall of the energy absorption cavity, and the good elasticity of the rubber plays a buffering role in the impact moment, and reduces the direct influence of the impact force on the subsequent structure. The first foam aluminum layer and the second foam aluminum layer are key energy absorption parts. The foam aluminum has the characteristics of light weight, high specific strength and good energy absorption, can effectively absorb and disperse the impact energy, and greatly reduces the damage of the impact force to the main structure of the bridge. The combination of the second rubber interlayer and the spring further optimizes the energy absorption effect. The spring has the elastic deformation ability, and absorbs energy by stretching and contracting when impacting, and the multiple springs arranged in the height direction can cope with the impact at different positions in all directions. The second rubber interlayer surrounds the spring, which not only assists energy absorption, but also avoids direct friction damage of the spring with other parts, and at the same time, it is attached with the foam aluminum layer, further enhancing the integrity and buffering effect of the structure. Overall, the device works cooperatively through the multi-layer structure, from buffering, energy absorption to energy dispersion, and improves the bridge anti-collision performance in all directions, which can not only protect the bridge structure, but also reduce the damage degree of the vehicle and the ship when impacting. BRIEF DESCRIPTION OF DRAWINGS
[0017] Figure 1 It is an internal structure schematic view of the assembled foam aluminum bridge anti-collision energy absorption device in the embodiment of the utility model.
[0018] Figure 2 It is Figure 1 the structure schematic view along A-A section. DETAILED DESCRIPTION
[0019] The utility model will be further explained in detail in combination with the drawings and specific implementation.
[0020] Please see Figure 1 and 2 The utility model discloses an assembled foam aluminum bridge anti-collision energy absorption device, which comprises an outer aluminum plate 1, a first rubber interlayer 2, a connecting ring 3, a first foam aluminum layer 4, a second rubber interlayer 5, a second foam aluminum layer 6, a mounting pad 7 and a spring 8.
[0021] The outer aluminum plate 1 surrounds to form an energy absorption cavity, and the energy absorption cavity can preliminarily block the impact when the impact occurs, and provide solid external protection for the internal fine energy absorption structure, reduce the direct damage of external force to the internal structure, and protect the integrity and functionality of the whole device.
[0022] The first rubber interlayer 2 is arranged on the opposite inner walls of the energy absorption cavity in the width direction, and the two first rubber interlayers 2 are oppositely arranged. The first rubber interlayer 2 is arranged on the opposite inner walls of the energy absorption cavity in the width direction, and the good elasticity of the rubber enables it to play a buffering role at the moment of impact. It can effectively reduce the initial impact force and reduce the direct transmission of the impact force to the subsequent structure, thereby gaining buffer time for the subsequent energy absorption link and improving the overall anti-collision effect.
[0023] The two first aluminum foam layers 4 are respectively connected to the first rubber interlayer 2, and the second aluminum foam layer 6 is arranged between the two first aluminum foam layers 4, and the first aluminum foam layer 4 and the second aluminum foam layer 6 are arranged in parallel. The thickness of the first aluminum foam layer 4 ranges from 15mm to 30mm, and the thickness of the second aluminum foam layer 6 ranges from 30mm to 45mm.
[0024] The first aluminum foam layer 4 is connected to the first rubber interlayer 2, and the thickness is 15mm-30mm. The aluminum foam is light in weight, high in specific strength, and good in energy absorption characteristics, can effectively absorb and disperse impact energy, reduce the damage of impact force to the main structure of the bridge, and is one of the main energy absorption components.
[0025] The second aluminum foam layer 6 is located between the two first aluminum foam layers 4, and the thickness is 30mm-45mm. It works cooperatively with the first aluminum foam layer 4 to further absorb and disperse impact energy, and due to its larger thickness, it can cope with stronger impact force and provide more reliable protection for the bridge.
[0026] The second rubber interlayer 5 and the spring 8 are arranged in the gap between the second aluminum foam layer 6 and the first aluminum foam layer 4, the mounting pad 7 is arranged on the opposite wall surfaces of the first aluminum foam layer 4 and the second aluminum foam layer 6, the two ends of the spring 8 are connected to the mounting pad 7, and a plurality of springs 8 are arranged in the height direction of the first aluminum foam layer 4, and the compression direction of the spring 8 is the same as the interval arrangement direction of the first aluminum foam layer 4 and the second aluminum foam layer 6.
[0027] The compression direction of the spring 8 is the same as the interval arrangement direction of the first aluminum foam layer 4 and the second aluminum foam layer 6, and a plurality of springs 8 are arranged in the height direction of the first aluminum foam layer 4. By utilizing the elastic deformation ability, the energy is absorbed by stretching and contracting when impacting, and different position impacts are dealt with in all directions. Cooperating with the aluminum foam layer and the rubber interlayer, the energy absorption and buffering capacity of the device is significantly improved.
[0028] The second rubber interlayer 5 is arranged around the spring 8, one side of the second rubber interlayer 5 is attached to the first aluminum foam layer 4, the other side of the second rubber interlayer 5 is attached to the second aluminum foam layer 6, and the top side or the bottom side of the second rubber interlayer 5 is attached to the inner wall of the outer aluminum plate 1.
[0029] The second rubber interlayer 5 is arranged around the spring 8, one side of which is attached to the first foam aluminum layer 4, the other side of which is attached to the second foam aluminum layer 6, and the top side or the bottom side of which is attached to the inner wall of the outer aluminum plate 1. It can not only assist in energy absorption, but also avoid direct friction and damage of the spring 8 with other components, while enhancing the integrity and buffering effect between the layers of the structure, and improving the anti-collision performance in all directions.
[0030] The connecting ring 3 is arranged at the corner end of the outer aluminum plate 1, which plays a connecting and reinforcing role. It enhances the stability of the structure of the outer aluminum plate 1, so that the outer aluminum plate 1 is not easy to deform and collapse when the whole device is subjected to impact, ensuring the integrity of the energy absorption cavity, thereby ensuring the normal work of the whole anti-collision energy absorption device, and the connecting ring 3 can be used to connect the assembled foam aluminum bridge anti-collision energy absorption devices and form an assembled module.
[0031] Finally, it should be pointed out that: the above examples are only used to illustrate the technical solutions of the present application, and not to limit them; although the present application has been described in detail with reference to the foregoing examples, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing examples, or make equivalent replacement for part of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.
Claims
1. An assembled foam aluminum bridge anti-collision energy-absorbing device, characterized in that, It includes an outer aluminum plate, a first rubber interlayer, a connecting ring, a first foam aluminum layer, a second rubber interlayer, a second foam aluminum layer, a mounting pad and a spring. The outer aluminum plate surrounds to form an energy absorption cavity, and the first rubber interlayer is arranged on the opposite inner walls of the energy absorption cavity in the width direction, and the two first rubber interlayers are arranged oppositely. The two first foam aluminum layers are respectively connected to the first rubber interlayer, and the second foam aluminum layer is arranged between the two first foam aluminum layers. The second rubber interlayer and the spring are arranged in the gap between the second foam aluminum layer and the first foam aluminum layer, the mounting pad is arranged on the opposite wall surface of the first foam aluminum layer and the second foam aluminum layer, the two ends of the spring are respectively connected to the mounting pad, and a plurality of springs are arranged in the height direction of the first foam aluminum layer. The second rubber interlayer is arranged around the spring, one side of the second rubber interlayer is attached to the first foam aluminum layer, the other side of the second rubber interlayer is attached to the second foam aluminum layer, and the top side or the bottom side of the second rubber interlayer is attached to the inner wall of the outer aluminum plate.
2. The assembled foam aluminum bridge crashworthy energy absorbing device of claim 1, wherein, The compression direction of the spring is the same as the interval arrangement direction of the first foam aluminum layer and the second foam aluminum layer.
3. The assembled foam aluminum bridge crashworthy energy absorbing device of claim 2, wherein, The thickness of the first foam aluminum layer is 15mm-30mm, and the thickness of the second foam aluminum layer is 30mm-45mm.
4. The assembled foam aluminum bridge crashworthy energy absorbing device of claim 3, wherein, The connecting ring is arranged at the corner end of the outer aluminum plate.
5. The assembled foam aluminum bridge crashworthy energy absorbing device of claim 3, wherein, The first foam aluminum layer and the second foam aluminum layer are arranged in parallel.